Tacna, AZ Weather & Growing Conditions
Overnight
74°F
Mostly Clear
Mostly clear, with a low around 74. Southwest wind around 0 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 74°F | Mostly Clear | 0 mph | 0% |
| Saturday | 103°F | Sunny | 0 to 5 mph WSW | 0% |
| Saturday Night | 73°F | Mostly Clear | 0 to 5 mph SSW | 0% |
| Sunday | 102°F | Sunny | 0 to 10 mph SE | 0% |
| Sunday Night | 75°F | Partly Cloudy | 0 to 10 mph SSE | 0% |
| Monday | 102°F | Mostly Sunny | 5 to 10 mph SE | 0% |
| Monday Night | 73°F | Mostly Clear | 0 to 10 mph S | 0% |
| Tuesday | 102°F | Sunny | 0 mph | 0% |
| Tuesday Night | 75°F | Mostly Clear | 0 mph | 0% |
| Wednesday | 104°F | Sunny | 0 to 5 mph SE | 1% |
| Wednesday Night | 78°F | Mostly Clear | 0 mph | 3% |
| Thursday | 104°F | Sunny | 5 mph ESE | 8% |
| Thursday Night | 80°F | Mostly Clear then Slight Chance Rain Showers | 0 to 5 mph N | 15% |
| Friday | 104°F | Slight Chance Rain Showers then Sunny | 5 mph SE | 15% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Tacna, AZ
Last spring frost
Feb 13
First fall frost
Dec 1
Growing season
288 days
Hardiness zone
9b
Explore more for Tacna, AZ: full frost dates · planting calendar · Arizona frost dates
Climate data from the nearest NOAA station, Tacna 3 Ne, Az (2.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.